/*
 * The contents of this file are subject to the Mozilla Public License
 * Version 1.1 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS"
 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * The Original Code is iSQL-Viewer, A Mutli-Platform Database Tool.
 *
 * The Initial Developer of the Original Code is iSQL-Viewer, A Mutli-Platform Database Tool.
 * Portions created by Mark A. Kobold are Copyright (C) 2000-2007. All Rights Reserved.
 *
 * Contributor(s): 
 *  Mark A. Kobold [mkobold <at> isqlviewer <dot> com].
 *  
 * If you didn't download this code from the following link, you should check
 * if you aren't using an obsolete version: http://www.isqlviewer.com
 */
package org.isqlviewer.ui.laf;

import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.GradientPaint;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Rectangle;
import java.awt.RenderingHints;
import java.awt.geom.Ellipse2D;

import javax.swing.Icon;

/**
 * Simple 3-D Color LED Icon that is rendered at runtime.
 * <p>
 * 
 * @author Mark A. Kobold &lt;mkobold at isqlviewer dot com&gt;
 * @version 1.0
 */
public class ColorLedIcon implements Icon {

    private Color color = null;
    private int xMargin = 0;
    private int yMargin = 0;

    public ColorLedIcon(Color color, int xMargin, int yMargin) {

        this.color = color;
        this.xMargin = xMargin;
        this.yMargin = yMargin;
    }

    public int getIconHeight() {

        return 16;
    }

    public int getIconWidth() {

        return 16;
    }

    public void paintIcon(Component c, Graphics g1, int x, int y) {

        Graphics2D g = (Graphics2D) g1;

        Dimension size = new Dimension(getIconWidth(), getIconHeight());
        int sphereSize = size.width <= size.height ? size.width : size.height;
        Ellipse2D sphere = new Ellipse2D.Float(0, 0, sphereSize, sphereSize);
        Rectangle gradientRect = new Rectangle(-sphereSize / 2, -sphereSize / 2, 3 * sphereSize / 2, 3 * sphereSize / 2);
        float x1 = gradientRect.width / 2f;
        float y1 = gradientRect.height / 2f;
        GradientPaint sphereFilling = new GradientPaint(0f, y1, color, x1, 0f, Color.WHITE);
        g.translate(xMargin, yMargin);
        g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        g.setPaint(sphereFilling);
        g.fill(sphere);
    }
}
